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- Cleaning companies
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- The London Window Cleaning Company Limited
The London Window Cleaning Company Limited
- Company number
- 13043434
- Incorporated
- 25 Nov 20205 years trading
- Registered office
- 136-144 New Kings Road, London, SW6 4LZ
- Nature of business
- Window cleaning services
The London Window Cleaning Company Limited is a 5-year-old private limited company registered in London, company number 13043434, one of 5,627 cleaning companies in London. Companies House shows its accounts as overdue: they were due on 31 August 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £1,791 (-85.4%) on the year before, to £307.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £26K against £26K owed within a year: 1.0 times cover.
- 3 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £307 | £89 | £26K | £26K | 3 |
| 30 Nov 2023 | £2,098 | £547 | £13K | £11K | 1 |
| 30 Nov 2022 | £3,421 | £299 | £5,153 | £1,732 | 1 |
| 30 Nov 2021 | -£569 | £949 | £1,749 | £2,318 | 1 |
Where The London Window Cleaning Company Limited is registered
The registered office is in London (SW6), in the Hammersmith and Fulham local authority area, London. Show SW6 4LZ on a map.
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Also registered at this address
1 other company uses the same registered office as The London Window Cleaning Company Limited.
- Margreiter Construction LimitedProperty developers
What happens if The London Window Cleaning Company Limited files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 13043434
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2020 (5 years ago)
- Registered office
- 136-144 New Kings Road, London, SW6 4LZ
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 21 November 2025
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- The Mawusi Group Ltd2023
- The Mayfair Cleaning Company Limited1910
- The Neat Lab Ltd2026
- The Neat Network Ltd2026
- The Pauls & Co Cleaning Ltd2026
- The Phoenix 22 Cleaning Company Ltd2022
- The Pram and Co Valet Ltd2026
- The Pure Cleaning Company Ltd2016
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are The London Window Cleaning Company Limited's accounts due?
The London Window Cleaning Company Limited's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is The London Window Cleaning Company Limited's CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is The London Window Cleaning Company Limited still trading?
The London Window Cleaning Company Limited is listed as active on the Companies House register (checked 13 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does The London Window Cleaning Company Limited do?
The London Window Cleaning Company Limited is registered under Window cleaning services (SIC 81221).
How old is The London Window Cleaning Company Limited?
The London Window Cleaning Company Limited was incorporated on 25 November 2020, 5 years ago.
What is the penalty if The London Window Cleaning Company Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View The London Window Cleaning Company Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.